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    • 1. 发明申请
    • RADIANT-TEMPERATURE MEASUREMENT DEVICE, LIGHT-SOURCE TEMPERATURE CONTROL DEVICE, IMAGE PROJECTION APPARATUS AND RADIANT-TEMPERATURE MEASUREMENT METHOD
    • 辐射温度测量装置,光源温度控制装置,图像投影装置和辐射温度测量方法
    • US20080062404A1
    • 2008-03-13
    • US11754493
    • 2007-05-29
    • Hiroyuki KawanoTatsuki OkamotoToshirou NakashimaKazuo Takashima
    • Hiroyuki KawanoTatsuki OkamotoToshirou NakashimaKazuo Takashima
    • G01N21/00
    • G01J5/602G01J5/08G01J5/0846G01J5/0859G01J2001/4238G01J2001/4247G01J2005/0048G01J2005/0077G03B21/16G03B21/2026G03B21/2086G03B27/54
    • In a two-color (ratio) or dual-wavelength radiant-temperature measurement, when a bright stray-light source in which its light intensity varies depending on time exists near an object to be measured, by removing an influence caused by the stray light, temperature of the measuring object is measured.By including a main detection unit 51 for measuring, with respect to light from the temperature-measuring object onto which the stray light is added, variation in light intensity versus time in two wavelength bands, and a subordinate detection unit 52 for measuring variation in stray-light intensity versus time only, a temperature calculation unit 70 is provided so that, the varied amounts are extracted, corresponding to superimposed pulses added onto a light-source's drive current, from measured results of the main detection unit 51 and the subordinate detection unit 52; an influential component caused by the stray light is estimated based on a ratio between the varied amounts of both the measured results corresponding to the superimposed pulses; and then, from a measured value in which the influential component caused by the stray light is removed from the measured light intensity values in the two wavelength bands, the temperature of the temperature-measuring object is calculated based on the dual-wavelength radiant-temperature measurement method.
    • 在双色(比例)或双波长辐射温度测量中,当其光强度随时间变化的明亮杂散光源存在于待测物体附近时,通过消除由杂散光引起的影响 ,测量测量对象的温度。 通过包括主检测单元51,用于相对于来自附加有杂散光的测温对象的光,测量两个波长带中的光强度对时间的变化,以及用于测量杂散变化的从属检测单元52 仅强度对时间的影响,提供温度计算单元70,根据主检测单元51和从属检测单元的测量结果,提取与添加到光源驱动电流上的叠加脉冲相对应的变化量 52; 基于与叠加的脉冲对应的两个测量结果的变化量之间的比率来估计由杂散光引起的影响分量; 然后,从从两个波长带的测定光强度值中除去由杂散光引起的影响成分的测定值,基于双波长辐射温度来计算温度测量对象的温度 测量方法。
    • 3. 发明授权
    • Uneven-pattern reading apparatus
    • 不均匀读取装置
    • US06414749B1
    • 2002-07-02
    • US09459925
    • 1999-12-14
    • Tatsuki OkamotoYukio SatoJunichi NishimaeHiroyuki Kawano
    • Tatsuki OkamotoYukio SatoJunichi NishimaeHiroyuki Kawano
    • G06K974
    • G06K9/00046
    • An uneven-pattern reading apparatus includes a detecting prism having a detecting surface on which an uneven pattern is placed, an incident surface upon which an incident light beam for illuminating the uneven pattern is incident, and an emergent surface from which a light beam reflected from the uneven pattern on the detecting surface is emergent, angles between the respective detecting, incident, and emergent surfaces providing that the incident light beam is applied to the uneven pattern and the light reflected from the detecting surface is emergent from the emergent surface; an incident-light-beam converger for causing an incident light beam from a light source to be incident upon the incident surface after collimating or converging the incident light beam; an imaging device for detecting a reflected image emergent from the detecting prism; a converging optical system for collimating or converging the emergent light beam emergent from the emergent surface; and a processing device for identifying the uneven pattern on the basis of the image picked up by the imaging device, wherein an imaging surface of the imaging device is located closer to an emergent surface side than a focusing position of the converging optical system.
    • 不均匀图案读取装置包括:检测棱镜,其具有设置有不平坦图案的检测面,入射面,用于照射不均匀图案的入射光束入射的入射面;以及出射表面, 检测表面上的不均匀图案出现,使得入射光束被施加到不均匀图案并且从检测表面反射的光的各个检测入射和出射表面之间的角度从出射表面出射; 用于使来自光源的入射光束在入射光束准直或会聚之后入射到入射面上的入射光束会聚; 用于检测从所述检测棱镜出射的反射图像的成像装置; 用于使出射光束从出射表面出射的准直或会聚的会聚光学系统; 以及处理装置,用于基于由成像装置拾取的图像来识别不均匀图案,其中,成像装置的成像表面位于比会聚光学系统的聚焦位置更靠近出射表面侧。
    • 5. 发明授权
    • Irregular pattern reader
    • 不规则图案阅读器
    • US06912300B1
    • 2005-06-28
    • US09621553
    • 2000-07-21
    • Tatsuki OkamotoYukio SatoJunichi NishimaeHiroyuki Kawano
    • Tatsuki OkamotoYukio SatoJunichi NishimaeHiroyuki Kawano
    • G02B5/04G06K9/00
    • G06K9/00046
    • An object of the invention is to achieve a small and thin irregular pattern reader comprising: a prism possessing a detection surface on which a subject to be detected having an irregular pattern is put and an incident plane having a first angle of inclination to the detection surface and emitting a light reflected on the detection surface corresponding to an incident light incident upon the incident plane; a first optical system possessing a light source and causing a light from the light source to be incident upon the incident plane of the prism with its optical axis substantially in parallel to the detection surface; and a second optical system for transmitting the emission light emitted from the prism to an image pick-up device.
    • 本发明的目的是实现一种小而薄的不规则图案读取器,其包括:具有检测表面的棱镜,待检测物体具有不规则图案,并且具有与检测表面具有第一倾斜角的入射平面 并发射与入射到入射面上的入射光对应的检测面反射的光; 第一光学系统具有光源并使来自光源的光入射到棱镜的入射平面上,其光轴基本上与检测表面平行; 以及第二光学系统,用于将从棱镜发射的发射光传输到图像拾取装置。
    • 6. 发明授权
    • Image reading apparatus
    • 图像读取装置
    • US08711442B2
    • 2014-04-29
    • US13361518
    • 2012-01-30
    • Hiroyuki KawanoTaku MatsuzawaTatsuki OkamotoTadashi MinobeTatsuya Kunieda
    • Hiroyuki KawanoTaku MatsuzawaTatsuki OkamotoTadashi MinobeTatsuya Kunieda
    • H04N1/387H04N1/04
    • G03G15/60H04N2201/0434
    • The object of the present invention is to provide an image reading apparatus having a large depth of field and being compact in size.The image reading apparatus includes a light source, an imaging optics system, an image pickup device unit, a memory, and a processor. The imaging optics system has a plurality of cells each being an independent optics system arranged in a main scanning direction, and arranged in two rows in a sub-scanning direction. In each of the cells, a first reflective light-gathering optical element, a first plane mirror, an aperture, and a second reflective light-gathering optical element are arranged in this order from a document, and the aperture is arranged at the back focal point position of the first reflective light-gathering optical element to form a telecentric optics system at the side of the document.
    • 本发明的目的是提供一种具有大景深并且尺寸紧凑的图像读取装置。 图像读取装置包括光源,成像光学系统,图像拾取装置单元,存储器和处理器。 成像光学系统具有多个单元,每个单元是沿主扫描方向布置的独立光学系统,并且在副扫描方向上布置成两行。 在每个单元中,从文件依次布置第一反射聚光光学元件,第一平面镜,孔和第二反射聚光光学元件,并且孔布置在后焦点 第一反射聚光光学元件的点位置,以在文档的侧面形成远心光学系统。
    • 9. 发明授权
    • Image-scanning device
    • 图像扫描装置
    • US08482813B2
    • 2013-07-09
    • US12668908
    • 2008-03-26
    • Hiroyuki KawanoTatsuki OkamotoTomotaka KatsuraJunichi Nishimae
    • Hiroyuki KawanoTatsuki OkamotoTomotaka KatsuraJunichi Nishimae
    • H04N1/04
    • G03B27/50G02B3/005G02B5/10H04N1/02845H04N1/03H04N1/0305H04N1/0306H04N1/193H04N1/1934H04N1/1935
    • An image-scanning device wherein plural images of an object are picked up inverted and reduced in size by image-forming optical systems arranged to be adjacent to each other, and then restored by an image processing system. Each optical system includes a first optical element having a first focal length; an aperture member located at a focus position in a rear side of the first optical element; and a second optical element provided in a rear side of the aperture member and having a second focal length shorter than the first focal length, respectively disposed from a side of the object being picked up to a side of the image pickup device. In between optical systems, corresponding image pick up devices thereof are arranged to be adjacent to each other, the image pickup devices including a region in which the images picked up by the image pickup devices are overlapped.
    • 一种图像扫描装置,其中通过被布置为彼此相邻的图像形成光学系统来拾取物体的多个图像被反转并减小尺寸,然后由图像处理系统恢复。 每个光学系统包括具有第一焦距的第一光学元件; 位于所述第一光学元件的后侧的聚焦位置处的光阑元件; 以及第二光学元件,设置在所述光圈构件的后侧,并且具有比所述第一焦距短的第二焦距,所述第二焦距分别从被拾取的物体的一侧被提取到所述图像拾取装置的一侧。 在光学系统之间,其相应的图像拾取装置被布置为彼此相邻,图像拾取装置包括由图像拾取装置拾取的图像重叠的区域。